Thorner, of the High Mountain Flight, out of Narisa, by Fumer, is a dragon from both the Course Books and Consecution Books series'. He is Hunter's nephew and first appears in Heart of the Journey where he travels for a time with Emily Jusenkyou.
In the Consecution Books he becomes a main character, having learned human magic and become a dragon-mage. Since he is Narisa's son, he is a descendant of Hygelic Jusenkyou and belongs to that lineage. He is a distant ancestor of Aden Jusenkyou.